Truth by Association

Description

To produce a convincing argument that something is true, first associate it
with something else that is already accepted as true.

If necessary, spend time developing the unassailable truth of the first truth
before associating the second item with it.

Example

We all know that Shakespeare wrote great plays. Wilkins was
a a good friend of Shakespeare and wrote several plays which of course are of
high quality.

You already have a Ford which you've said has been very
reliable, which of course you need. So let's look at some other Fords.

Discussion

The basic equations that prove truth by association are as follows:

A = true;
B is associated with A;
Therefore B = true.

Our brains are associative
and easily connect things together. In particular, we assume that if two things
are similar in some way, they are likely to be similar in others ways, including
abstractions such as reliability and truth.

This principle is used in
branding
where the attributes of one item are assumed to also be found in another item.
In this way we conclude all Volvo cars are strong, Porche's are fast, Toyotas
are reliable and so on.